World Cafe Nashville: Rainbow Kitten Surprise

This undefinable five-piece band boasts a blend of charisma, musical chops, sing-along harmonies and breakneck creativity.

"They'll blow your socks off if you have any on," reads a fan's Facebook post about the live capabilities of Rainbow Kitten Surprise. And it's true. This undefinable five-piece band from the small town of Boone, N.C. boasts a blend of charisma, musical chops, sing-along harmonies and breakneck creativity that's made it a nearly instant favorite among the nation's sandals-wearing music festival crowd.